Chloride from de-icers (road salt) and water softeners does not break down in the environment, nor can it be effectively treated, meaning the pollutant builds up in lakes and streams. Here's a look at the flow-adjusted growth in chloride concentrations in rivers near the Twin Cities since 1985.

Minnesota lawmakers have proposed a statewide ban on the industrial solvent trichloroethylene (TCE), which is still in use despite being classified as a carcinogen and developmental toxin. A ban would fall heaviest on the 80 or so entities reporting emissions to the state pollution regulators.

This map shows the 3-month long range flood outlook and the 48 hour forecast flood values from river gauges with weather watches & warnings. Stream Gauge data gives readings of stream gauges around the US, which depict the current water level in the measured areas. Data is regularly updated by the National Oceanic and Atmospheric Administration (NOAA). Click on a symbol to get in-depth information for each site then click on MORE INFO to get the latest data.

Yes, Minnesotans, February was as snowy as you thought. In fact, when it comes to snowfall last month, we had more in common with Jackson, Wyo. than we did with our typical winter brethren in Chicago and Milwaukee.

Hospitalized influenza cases are based on disease reports of laboratory-positive influenza and specimens from hospitalized patients with acute respiratory illness submitted to MDH-PHL by hospitals and laboratories.